Stop a WordPress website from sending any emails using the standard wp_mail() function. No emails will be sent, not even for password resets or administrator notifications. WordPress websites can send emails for a variety of reasons — e.g user registration, password reset, enquiry form submission, e-commerce purchase — but sometimes you don’t want it to send anything at all. Some reasons for disabling all emails: demonstration websites that allow users to do things that normally send emails development / test websites with live data that might email real customers bulk-loadin...
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